While the Washburn Woodstock Festival acoustics made today might LOOK similar to the ones that The Edge used, they are different animals all together. They are cheaper now and the craftsmanship is cheaper too. Also, yours wouldn't sound as much like The Edge's without the Lawrence soundhole pickup.
Taylor makes great guitars. You can get a "Big Baby" for about 400.00. The 100 series has a piezo pickup, so you can plug it in to an amp, should you want to do so. They play and sound great. Sure there are some great Taylors in the 1400+ range. If you can afford it, the 700 series are fantastic. Edge used a 710 during Popmart.
Gibson is a pricey one too. A J-200 will set you back 2700-ish. And a Pete Townshend model, like Edge used, closer to $4K.
Some Yamaha's are okay. I've not met one that I liked. Epiphones are cheaper versions of their Gibson cousins. Buyer beware. There are some that are okay but many are horrible.
What is your budget like? If you can tell me that, I would be glad to put down the makes and models of a few to check out. (and links too)